Grundfos CR Service Instructions

English (GB)
3
3. Torques 4. Lubricants
Pos. Description Pump Dimensions Torque
9
Coupling
screws
CR, CRI, CRN
1, 3, 5, 10, 15,
20
M6 13
M8 31
M10 62
CR, CRN 32,
45, 64, 90
-85
CR, CRN 120,
150
M10 85
M16 100
7a
Coupling
guard
screws
CR, CRN 32,
45, 64, 90,
120, 150
-6
18, 18a,
18b
Air vent
screws
CR, CRI, CRN
1, 3, 5, 10, 15,
20, 32, 45, 64,
90, 120, 150
-35
23, 23a,
23b, 23c
Drain plugs - 35
28
Motor stool
screws
CR, CRI, CRN
1, 3, 5
M10 23
CR, CRI, CRN
1, 3, 5, 10, 15,
20
M6 10
M8 12
3/8" UNC 23
M12 40
1/2" UNC 40
M16 80
CR, CRN 32,
45, 64, 90,
120, 150
-62
36
Pump head
nuts
CR 1, 3, 5 - 40
CRI 1, 3, 5 - 50
CRN 1, 3, 5 - 60
CR, CRI 10,
15, 20
-80
CRN 10, 15,
20
- 100
CR, CRN 32,
45, 64, 90
- 100
CR, CRN 120,
150
- 120
CR, CRN 120,
150 (55-75
kW)
-80
58a,
58b, 58c
Seal carrier
screws
CR, CRN 32,
45, 64, 90,
120, 150
-62
105,
105b
Shaft seal
CR, CRI, CRN
1, 3, 5, 10, 15,
20
-35
113
Shaft seal
screws
CR, CRI, CRN
1, 3, 5, 10, 15,
20
-2,5
CR, CRN 32,
45, 64, 90,
120, 150
-6
Pos. Designation Product No.
9
THREAD-EZE 00SV999728
58a, 58d, 58c
37a, 37b, 37c Rocol Sapphire Aqua-Sil 00RM2924
51
Soapy Water -
105, 105b
109a, 109b
Rocol Sapphire Aqua-Sil 00RM2924
110, 110b

Grundfos CR Specifications

General

Brand	Grundfos
Model	CR
Category	Water Pump
Language	English